Susie Bannion, a young American woman who travels to the prestigious Markos Tanz Company in Berlin in 1977, arriving just as one of its members, Patricia, has disappeared under mysterious circumstances. As Susie makes extraordinary progress under the guidance of Madame Blanc, the Company's revolutionary artistic director, she befriends another dancer, Sara, who shares her suspicions that the Matrons, and the Company itself, may be harboring a dark and menacing secret.